"an"的搜索结果

rabbit was caught in a national trap and was later tested during an arbovirus study

标签: rabbit,was,caught,in,a,nationa 浏览: 19

public health scientist as he was drawing blood from an elderly woman to be tested

标签: public,health,scientist,as,he, 浏览: 15

photograph showed a public health professional consulting with an elderly woman during the swine flu

标签: photograph,showed,a,public,hea 浏览: 20

photograph showed a health professional as he was drawing blood from an elderly man for testing

标签: photograph,showed,a,health,pro 浏览: 16

peru hospital waiting room that had to be converted to an emergency cholera ward during an epidemic

标签: peru,hospital,waiting,room,tha 浏览: 16

military investigator with a flashlight as he was carrying out an inspection beneath a bridge

标签: military,investigator,with,a,f 浏览: 17

bangladesh man filling out an information gathering questionnaire pertaining to his knowledge

标签: bangladesh,man,filling,out,an, 浏览: 19

bamboo constructed bridge used as an integral tool in daily bangladesh village life

标签: bamboo,constructed,bridge,used 浏览: 23

technicians that were loading a mobile quarantine facility into an aircraft

标签: technicians,that,were,loading, 浏览: 14

several loadmasters as they were loading mobile quarantine facility into an aircraft

标签: several,loadmasters,as,they,we 浏览: 16

conducting an investigation in order to determine if a spider had any trace of the marburg virus

标签: conducting,an,investigation,in 浏览: 20

nurse is shown standing near sewage pipes outside of an infectious disease hospital in johannesburg

标签: nurse,is,shown,standing,near,s 浏览: 19

nurse in an isolation ward during the 1975 marburg outbreak in johannesburg south africa

标签: nurse,in,an,isolation,ward,dur 浏览: 16

hospital nurse was photographed while checking the vital signs of an isolated hospital staff member

标签: hospital,nurse,was,photographe 浏览: 18

washing hands with soap and water or an alcohol scrub

标签: washing,hands,with,soap,and,wa 浏览: 19